Instruction Manual
D500242X012
A31A Cryogenic-Rotary Valve
February 2019
3
CAUTION
Responsibility for the safety of process media and compatibility of valve materials rests solely with the purchaser and
end‐user. When ordered, the valve configuration and construction materials were selected to meet particular pressure,
pressure drop, temperature, and controlled fluid conditions. Because pressure drop and temperature range capabilities
limit some combinations of materials, do not apply any other conditions to the valves without first contacting your
Before installation check the maximum allowable inlet pressures for A31A Cryogenic valves shown in figure 2 and the
Specifications table.
Figure 2. Maximum Pressure/Temperature Ratings
CLASS 150, KEL‐F SEAL
CLASS 300, KEL‐F SEAL
C0759‐1 / IL
KEL‐F
A4132‐1 / IL
A3715‐2 / IL
